As part of this, we intend to become a significant contributor to the Chromium project, in a way that can make not just Microsoft Edge - but other browsers as well - better on both PCs and other devices. The new Edge

Microsoft also has plans to bring Edge to other platforms, such as macOS. In addition, and perhaps most surprisingly, the new Edge will not be a UWP application - it will be a Win32 application that will also be available to Windows 7 and 8 users.